MULTIMEDIA

A polar bear. Photo by Yevgeny Siv-Siv +

A polar bear. Photo by Yevgeny Siv-Siv

A polar bear. Photo by Yevgeny Siv-Siv +

A polar bear. Photo by Yevgeny Siv-Siv

A dog sled. Photo by Viktor Nikiforov +

A dog sled. Photo by Viktor Nikiforov